<?php

use GuzzleHttp\Exception\RequestException;
use WechatPay\GuzzleMiddleware\WechatPayMiddleware;
use WechatPay\GuzzleMiddleware\Util\PemUtil;

// 商户相关配置
$merchantId = '1607856632'; // 商户号
$merchantSerialNumber = '5A5E066C02E7A189DFEDD87E1EE692DAC0F3AD87'; // 商户API证书序列号
$merchantPrivateKey = PemUtil::loadPrivateKey('/addons/cert/apiclient_key.pem'); // 商户私钥
// 微信支付平台配置
$wechatpayCertificate = PemUtil::loadCertificate('/addons/cert/apiclient_cert.pem'); // 微信支付平台证书

// 构造一个WechatPayMiddleware
$wechatpayMiddleware = WechatPayMiddleware::builder()
    ->withMerchant($merchantId, $merchantSerialNumber, $merchantPrivateKey) // 传入商户相关配置
    ->withWechatPay([ $wechatpayCertificate ]) // 可传入多个微信支付平台证书，参数类型为array
    ->build();

// 将WechatPayMiddleware添加到Guzzle的HandlerStack中
$stack = GuzzleHttp\HandlerStack::create();
$stack->push($wechatpayMiddleware, 'wechatpay');

// 创建Guzzle HTTP Client时，将HandlerStack传入
$client = new GuzzleHttp\Client(['handler' => $stack]);


// 接下来，正常使用Guzzle发起API请求，WechatPayMiddleware会自动地处理签名和验签
try {
    $resp = $client->request('GET', 'https://api.mch.weixin.qq.com/v3/...', [ // 注意替换为实际URL
        'headers' => [ 'Accept' => 'application/json' ]
    ]);

    echo $resp->getStatusCode().' '.$resp->getReasonPhrase()."\n";
    echo $resp->getBody()."\n";

    $resp = $client->request('POST', 'https://api.mch.weixin.qq.com/v3/...', [
        'json' => [ // JSON请求体
            'field1' => 'value1',
            'field2' => 'value2'
        ],
        'headers' => [ 'Accept' => 'application/json' ]
    ]);

    echo $resp->getStatusCode().' '.$resp->getReasonPhrase()."\n";
    echo $resp->getBody()."\n";
} catch (RequestException $e) {
    // 进行错误处理
    echo $e->getMessage()."\n";
    if ($e->hasResponse()) {
        echo $e->getResponse()->getStatusCode().' '.$e->getResponse()->getReasonPhrase()."\n";
        echo $e->getResponse()->getBody();
    }
    return;
}